CD19FD681GO3 Equivalent & Substitute Parts

Part Overview

The CD19FD681GO3 is a 680 pF mica capacitor rated for 500 V with ±2% tolerance, manufactured by Cornell Dubilier Electronics (CDE). This through-hole radial component operates across the temperature range of -55°C to 125°C and is classified as a general-purpose capacitor. The part is currently active in production with 797 units in stock.

Mica capacitors in this specification are used in applications requiring stable capacitance, low loss, and high voltage performance. Identifying equivalent and substitute parts is necessary when the primary part number becomes unavailable, when alternative compliance certifications are required, or when inventory constraints necessitate sourcing from available stock.

Substiute Parts

CD19FD681GO3

Cornell Dubilier Electronics (CDE)In Stock: 889CD19FD681GO3 Datasheet

Current PartRFQ

CD19FD681GO3F

Cornell Dubilier Electronics (CDE)In Stock: 826CD19FD681GO3F Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CD19FD681GO3 is determined by strict equivalence across all electrical and mechanical parameters. The substitute part must match the following criteria:

• Capacitance value: 680 pF
• Tolerance: ±2%
• Voltage rating: 500 V
• Dielectric material: Mica
• Mounting configuration: Through hole, radial
• Lead spacing: 0.343" (8.70 mm)
• Physical envelope: 0.650" L × 0.209" W, height 0.512" maximum
• Operating temperature range: -55°C to 125°C
• Series classification: CD19

The CD19FD681GO3F meets all these parameters and is classified as a parametric equivalent. Differences in compliance certifications (RoHS and REACH status) do not affect electrical or mechanical interchangeability.

Parameter Comparison

Engineering Selection Recommendations

Both CD19FD681GO3 and CD19FD681GO3F are electrically and mechanically identical 680 pF mica capacitors with 500 V rating and ±2% tolerance. Selection between these parts depends on regulatory and compliance requirements:

CD19FD681GO3 is suitable for applications where RoHS non-compliance is acceptable and REACH-affected material declarations are permissible. This part maintains full availability with 797 units in stock.

CD19FD681GO3F is required for applications subject to RoHS3 compliance mandates or where REACH-unaffected material status is specified. This part is available with 750 units in stock and provides equivalent electrical and mechanical performance.

Both parts are active products from Cornell Dubilier Electronics and are suitable for direct substitution in through-hole PCB designs requiring 680 pF capacitance at 500 V with ±2% tolerance across -55°C to 125°C operating conditions.

Frequently Asked Questions (FAQ)

Q: Can CD19FD681GO3F be used as a direct replacement for CD19FD681GO3?

A: Yes. The CD19FD681GO3F is a parametric equivalent with identical electrical specifications (680 pF, ±2%, 500 V), dielectric material (mica), mounting configuration (through-hole radial), lead spacing (0.343"), and physical dimensions. The parts are mechanically and electrically interchangeable. The only differences are RoHS and REACH compliance certifications.

Q: What determines whether these parts are substitutable?

A: Substitutability is determined by matching capacitance (680 pF), tolerance (±2%), voltage rating (500 V), dielectric type (mica), mounting style (through-hole radial), lead spacing (0.343"), physical envelope (0.650" × 0.209" × 0.512" max height), and operating temperature range (-55°C to 125°C). Both parts meet all these criteria.

Q: Does the RoHS compliance difference affect circuit performance?

A: No. RoHS and REACH compliance certifications are regulatory and material composition designations. They do not alter the electrical characteristics, capacitance value, voltage rating, tolerance, temperature stability, or physical fit of the component.

Q: Are there any lead spacing or PCB layout considerations?

A: Both parts have identical lead spacing of 0.343" (8.70 mm) and physical dimensions of 0.650" L × 0.209" W with a maximum seated height of 0.512". PCB footprints and layouts designed for either part are directly compatible.

Q: Which part should be selected for new designs?

A: Selection depends on the application's regulatory requirements. For designs requiring RoHS3 compliance or REACH-unaffected material status, specify CD19FD681GO3F. For applications without these constraints, either part is suitable based on availability and inventory considerations.